
$(document).ajaxSend(function (e, xhr, opt) {
    var user_token = localStorage.getItem("user_token");
    xhr.setRequestHeader("user_token_header", user_token);
    });


    function getUserInfo(url) {
        $.ajax({
            type: "get",
            url: url,
            success: function (result) {
                console.log("Success function is called.");
                if (result.code == 200 && result.data  != null) {
                    $(".left .card h3").text(result.data.userName);
                    $(".left .card a").attr("href", result.data.githubUrl);
                }
            },
            error: function(xhr, status, error) {
                console.log("Error occurred: " + error);
            }
        });
    }

    function logout(){
        localStorage.removeItem("user_token");
        location.href = "/blog_login.html";
    }